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HRS Rule, Table 5-1, Page 51646

Factor categories and factors Maximum value Value assigned
 
Resident Population Threat    
 
Likelihood of Exposure    
1. Likelihood of Exposure 550 ——
 
Waste Characteristics    
2. Toxicity (a) ——
3. Hazardous Waste Quantity (a) ——
4. Waste Characteristics 100 ——
 
Targets    
5. Resident Individual 50 ——
6. Resident Population:    

6a. Level I Concentrations

(b) ——

6b. Level II Concentrations

(b) ——

6c. Resident Population (lines 6a + 6b)

(b) ——
7. Workers 15 ——
8. Resources 5 ——
9. Terrestrial Sensitive Environments (c) ——
10. Targets (lines 5 + 6c + 7 + 8 + 9) (b) ——
 
Resident Population Threat Score    
11. Resident Population Threat (lines 1 x 4 x 10) (b) ——
 
Nearby Population Threat    
 
Likelihood of Exposure    
12. Attractiveness/Accessibility 100 ——
13. Area of Contamination 100 ——
14. Likelihood of Exposure 500 ——
 
Waste Characteristics    
15. Toxicity (a) ——
16. Hazardous Waste Quantity (a) ——
17. Waste Characteristics 100 ——
 
Targets    
18. Nearby Individual 1 ——
19. Population Within 1 Mile (b) ——
20. Targets (lines 18 + 19) (b) ——
 
Nearby Population Threat Score    
21. Nearby Population Threat (lines 14 x 17 x 20) (b) ——
 
Soil Exposure Pathway Score    
22. Soil Exposure Pathway Scored (Sa), (lines [11 + 21] / 82,500, subject to a maximum of 100) 100 ——

a Maximum value applies to waste characteristics category.

b Maximum value not applicable.

c No specific maximum value applies to factor. However, pathway score based solely on terrestrial sensitive environments is limited to maximum of 60.

d Do not round to nearest integer.

 

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